ut0rnd.cc File Reference

#include "ut0rnd.h"

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Macros
#define	UT_RANDOM_1   1.0412321
#define	UT_RANDOM_2   1.1131347
#define	UT_RANDOM_3   1.0132677

Functions
UNIV_INTERN ulint	ut_find_prime (ulint n)

Variables
UNIV_INTERN ulint	ut_rnd_ulint_counter = 65654363

Detailed Description

Random numbers and hashing

Created 5/11/1994 Heikki Tuuri

Definition in file ut0rnd.cc.

Macro Definition Documentation

#define UT_RANDOM_1   1.0412321

These random numbers are used in ut_find_prime

Definition at line 34 of file ut0rnd.cc.

Function Documentation

UNIV_INTERN ulint ut_find_prime

(

ulint

n

)

Looks for a prime number slightly greater than the given argument. The prime is chosen so that it is not near any power of 2.

Returns

prime

Parameters

n	in: positive number > 100

Definition at line 48 of file ut0rnd.cc.

Variable Documentation

UNIV_INTERN ulint ut_rnd_ulint_counter = 65654363

Seed value of ut_rnd_gen_ulint().

Definition at line 40 of file ut0rnd.cc.